| /**************************************************************************** |
| * Copyright (c) 2013 Composent, Inc. and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Composent, Inc. - initial API and implementation |
| *****************************************************************************/ |
| package org.eclipse.ecf.internal.examples.remoteservices.hello.consumer.rs; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.ecf.core.IContainer; |
| import org.eclipse.ecf.core.IContainerManager; |
| import org.eclipse.ecf.core.identity.IDFactory; |
| import org.eclipse.ecf.examples.remoteservices.hello.IHello; |
| import org.eclipse.ecf.remoteservice.IRemoteCall; |
| import org.eclipse.ecf.remoteservice.IRemoteCallListener; |
| import org.eclipse.ecf.remoteservice.IRemoteService; |
| import org.eclipse.ecf.remoteservice.IRemoteServiceContainerAdapter; |
| import org.eclipse.ecf.remoteservice.IRemoteServiceReference; |
| import org.eclipse.ecf.remoteservice.events.IRemoteCallCompleteEvent; |
| import org.eclipse.ecf.remoteservice.events.IRemoteCallEvent; |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| /** |
| * The activator class controls the plug-in life cycle |
| */ |
| public class Activator implements BundleActivator { |
| |
| public static final String ROSGI_SERVICE_HOST = "r-osgi://localhost:9278"; |
| |
| private BundleContext context; |
| private ServiceTracker containerManagerServiceTracker; |
| private IContainer container; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext) |
| */ |
| public void start(BundleContext context) throws Exception { |
| this.context = context; |
| // 1. Create R-OSGi Container |
| IContainerManager containerManager = getContainerManagerService(); |
| container = containerManager.getContainerFactory().createContainer( |
| "ecf.r_osgi.peer"); |
| // 2. Get remote service container adapter |
| IRemoteServiceContainerAdapter containerAdapter = (IRemoteServiceContainerAdapter) container |
| .getAdapter(IRemoteServiceContainerAdapter.class); |
| // 3. Lookup IRemoteServiceReference |
| IRemoteServiceReference[] helloReferences = containerAdapter |
| .getRemoteServiceReferences(IDFactory.getDefault().createID( |
| container.getConnectNamespace(), ROSGI_SERVICE_HOST), |
| IHello.class.getName(), null); |
| Assert.isNotNull(helloReferences); |
| Assert.isTrue(helloReferences.length > 0); |
| // 4. Get remote service for reference |
| IRemoteService remoteService = containerAdapter |
| .getRemoteService(helloReferences[0]); |
| // 5. Get the proxy |
| IHello proxy = (IHello) remoteService.getProxy(); |
| // 6. Finally...call the proxy |
| proxy.hello("RemoteService Consumer"); |
| |
| // Call asynchronously via listener |
| callViaListener(remoteService); |
| } |
| |
| void callViaListener(IRemoteService remoteService) { |
| remoteService.callAsync(createRemoteCall(), createRemoteCallListener()); |
| System.out.println("callAsync invoked"); |
| } |
| |
| IRemoteCall createRemoteCall() { |
| return new IRemoteCall() { |
| |
| public String getMethod() { |
| return "hello"; |
| } |
| |
| public Object[] getParameters() { |
| return new Object[] { "Asynch RemoteService Consumer" }; |
| } |
| |
| public long getTimeout() { |
| return 0; |
| } |
| }; |
| } |
| |
| IRemoteCallListener createRemoteCallListener() { |
| return new IRemoteCallListener() { |
| |
| public void handleEvent(IRemoteCallEvent event) { |
| if (event instanceof IRemoteCallCompleteEvent) { |
| IRemoteCallCompleteEvent cce = (IRemoteCallCompleteEvent) event; |
| if (!cce.hadException()) |
| System.out |
| .println("Remote call completed successfully!"); |
| else |
| System.out |
| .println("Remote call completed with exception: " |
| + cce.getException()); |
| } |
| } |
| }; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext) |
| */ |
| public void stop(BundleContext context) throws Exception { |
| if (container != null) { |
| container.disconnect(); |
| container = null; |
| } |
| if (containerManagerServiceTracker != null) { |
| containerManagerServiceTracker.close(); |
| containerManagerServiceTracker = null; |
| } |
| this.context = null; |
| } |
| |
| private IContainerManager getContainerManagerService() { |
| if (containerManagerServiceTracker == null) { |
| containerManagerServiceTracker = new ServiceTracker(context, |
| IContainerManager.class.getName(), null); |
| containerManagerServiceTracker.open(); |
| } |
| return (IContainerManager) containerManagerServiceTracker.getService(); |
| } |
| |
| } |